Add **/*.test to .dockerignore
Add **/*.test to .dockerignore

`*.test` files are generated by `go test`, do not include them into the
build context. It will lighter a bit the build context..

Signed-off-by: Vincent Demeester <87e1f221a672a14a323e57bb65eaea19d3ed3804@sbr.pm>

jainvipin/libcompose,kunalkushwaha/libcompose,kunalkushwaha/libcompose,docker/libcompose,vito-c/libcompose,jainvipin/libcompose,dweomer/docker-libcompose,vdemeester/libcompose,vdemeester/libcompose,dweomer/docker-libcompose,weitenghuang/libcompose,vito-c/libcompose,Azure22/libcompose,Azure22/libcompose,docker/libcompose,weitenghuang/libcompose